Home / 10,306,548,720.90-15,459,823,081.35-5,076,372,119.40

Finding the Fourth Proportional to 10,306,548,720.90, 15,459,823,081.35 and 5,076,372,119.40

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Solution

The fourth proportional to 10,306,548,720.90, 15,459,823,081.35 and 5,076,372,119.40 is: 7,614,558,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,548,720.90 : 15,459,823,081.35 = 5,076,372,119.40 : x
  2. Step 2: Convert to fraction form
    10,306,548,720.90/15,459,823,081.35 = 5,076,372,119.40/x
  3. Step 3: Cross multiply
    10,306,548,720.90x = 15,459,823,081.35 × 5,076,372,119.40
  4. Step 4: Simplify right side
    10,306,548,720.90x = 78,479,814,861,021,741,056
  5. Step 5: Solve for x
    x = 78,479,814,861,021,741,056/10,306,548,720.90
  6. Step 6: Final answer
    x = 7,614,558,179.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.